Merge release-v0.8.x into release-v0.9.x#323

Merged

bjester merged 6 commits intolearningequality:release-v0.9.xfrom

bjester:merge-des-exc

Apr 29, 2026

Commits on Apr 9, 2026

Fix silent deserialization failure with unique together constraint (#313)

ozer550
and
bjester
authored

Commits on Apr 24, 2026

Add deserialization_exception field for programmatic error handling
bjester
committed
Removed tests that have served their purpose and are causing problems
bjester
committed

Commits on Apr 28, 2026

Commits on Apr 29, 2026

Resolve merge conflicts
bjester
committed